Even answers

p. 17

24. undefined

p. 67

20. a
22. e
24. d

p. 68

70. x = 3
72. l = (P – 2w)/2

p. 90

86. 5/2
90. 55/14

p. 107

32. No
34. Yes
36. No

p. 160

40. a. no b. yes c. no d. yes e. d is dependent. Possible answers: (0, –8), (1, –6), (2, –4)

p. 176

56. k = 1/5 y=(1/5)x
62. 3
66. (-9/4, 1/2)
70. (1, 5)

p. 221

60. 7
62. October
68. 18
70. y = 2/3x + 2/3 or x = 3/2y – 1

p. 229

32. slope is –2/3; y-int is –10
38. 10x – 1

p. 248

38. 19

p. 295

24.(4x + 5)(4x – 5)
28. –5, 2

p. 304

62. g(x) = |x + 7|
64. g(x) = 8x2

p. 311

50. 576 feet

p. 358

54. 1/16
56. 125

p. 367

10. linear
12. exponential
14. exponential
26. c
28. a

p. 381

64. Always true
66. Always true
68. Never true

p. 416.

8. c
9. b
10. d
11. c
12. d
17. [3, –6, 5, 4] in a 2 x 2 matrix
18. x = 3 or x = –2
19. –6x2 + 9x
20. [2, 0, 9, –3, 1, –11, –2, 13, –7] in a 3 x 3 matrix
21. 35
22. –3
28. 18

p. 452

68. 7i
72. –2 – 4i

p. 463

54.14 – 5x

p. 486

48. a/b3
50. (b3d)/(a2c5)
52. (0, 5); x = 0
58. 5
60. 4

p. 502

52. 4x(2x – 1)
56. 3/5 +2/15i

p. 509

58. log21024; 10

p. 517

60. 27
64. g-1(x) = 4x + 20
68. horizontal translation 3 units left and vertical compression by a factor of 1/2

p. 525

68. –54a7b6
74. –3 + 3i
78. log17 – log8

p. 541

68. –1/2, 6
70. x2 + 9x +8

Archived even answers from previous units